CVE-2026-40306: CWE-330: Use of Insufficiently Random Values in dnnsoftware Dnn.Platform
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. All new installations of DNN 10.x.x - 10.2.1 have the same Host GUID. This does not affect upgrades from 9.x.x. Version 10.2.2 patches the issue.
AI Analysis
Technical Summary
The DNN (DotNetNuke) open-source CMS for Microsoft environments has a weakness identified as CWE-330, involving the use of insufficiently random values. Specifically, all new installations of DNN Platform versions 10.0.0 up to 10.2.1 generate the same Host GUID, which could undermine uniqueness assumptions in the system. This vulnerability was fixed in version 10.2.2. The CVSS 4.0 base score is 6.9, indicating a medium severity with network attack vector, no privileges required, and no user interaction needed.
Potential Impact
The impact arises from the reuse of the same Host GUID across new installations, potentially allowing attackers or malicious actors to predict or duplicate this identifier. This could affect system integrity or identification mechanisms relying on the Host GUID. There are no known exploits in the wild as of the published date.
Mitigation Recommendations
Upgrade affected DNN Platform installations to version 10.2.2 or later, where the issue is patched. Since this is a product vulnerability and not a cloud service, remediation depends on applying the official update. Patch status is confirmed by the version information in the description.
CVE-2026-40306: CWE-330: Use of Insufficiently Random Values in dnnsoftware Dnn.Platform
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. All new installations of DNN 10.x.x - 10.2.1 have the same Host GUID. This does not affect upgrades from 9.x.x. Version 10.2.2 patches the issue.
CVSS v4.0
Score 6.9medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The DNN (DotNetNuke) open-source CMS for Microsoft environments has a weakness identified as CWE-330, involving the use of insufficiently random values. Specifically, all new installations of DNN Platform versions 10.0.0 up to 10.2.1 generate the same Host GUID, which could undermine uniqueness assumptions in the system. This vulnerability was fixed in version 10.2.2. The CVSS 4.0 base score is 6.9, indicating a medium severity with network attack vector, no privileges required, and no user interaction needed.
Potential Impact
The impact arises from the reuse of the same Host GUID across new installations, potentially allowing attackers or malicious actors to predict or duplicate this identifier. This could affect system integrity or identification mechanisms relying on the Host GUID. There are no known exploits in the wild as of the published date.
Mitigation Recommendations
Upgrade affected DNN Platform installations to version 10.2.2 or later, where the issue is patched. Since this is a product vulnerability and not a cloud service, remediation depends on applying the official update. Patch status is confirmed by the version information in the description.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-10T21:41:54.504Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e2a83ebdfbbecc5994f13c
Added to database: 4/17/2026, 9:38:06 PM
Last enriched: 4/25/2026, 2:50:48 AM
Last updated: 6/4/2026, 4:48:57 PM
Views: 80
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